CN204347525U - Infrared trigger switch and the electronic equipment based on infrared remote control - Google Patents
Infrared trigger switch and the electronic equipment based on infrared remote control Download PDFInfo
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- CN204347525U CN204347525U CN201420846049.4U CN201420846049U CN204347525U CN 204347525 U CN204347525 U CN 204347525U CN 201420846049 U CN201420846049 U CN 201420846049U CN 204347525 U CN204347525 U CN 204347525U
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Abstract
The utility model relates to a kind of infrared trigger switch and the electronic equipment based on infrared remote control, and infrared trigger switch comprises: infrared photodiode, NMOS, PMOS, triode and single-chip microcomputer; The grid of NMOS is connected with the output terminal of infrared photodiode, and its drain electrode is connected respectively with the grid of PMOS and the collector of triode, and the source electrode of NMOS is connected with the emitter of triode; The grid of PMOS is also connected with the collector of triode, and its source electrode is connected with device power supply (DPS) positive pole, and its drain electrode is all connected with microcontroller power supply input pin and circuitry power input; The base stage of triode is connected with the control signal output pin of single-chip microcomputer; Infrared photodiode negative pole is connected with device power supply (DPS) positive pole.The technical scheme that the utility model provides, while achieving the control of electronic equipment touchless, reduces electronic equipment power consumption in the standby state significantly, makes the battery in electronic equipment have preferably flying power.
Description
Technical field
The utility model relates to Infrared Ray Remote Control Technology, particularly relates to a kind of infrared trigger switch and the electronic equipment based on infrared remote control.
Background technology
At present, a lot of electronic equipment (as the home appliance such as televisor and air-conditioning or electrical metering device etc.) all realizes the remote control of equipment based on IR modulated signals, namely infrared receiving terminal and IR modulated signals demodulation device are set in the electronic device, infrared receiving terminal is not when receiving the IR modulated signals of outside input, and infrared receiving terminal and IR modulated signals demodulation device are all in holding state usually; Infrared receiving terminal is when receiving the IR modulated signals of outside input, IR modulated signals demodulation device is in running order, to control accordingly electronic equipment according to IR modulated signals, transfer duty etc. as made electronic equipment to from holding state.
The structure of the infrared receiving terminal that a kind of comparatively normal model used is TS1838 as shown in Figure 1.According to the service manual of this infrared receiving terminal or according to the actual measurement to this infrared receiving terminal, the infrared receiving terminal power consumption in the standby state of this model is approximately about 3MA.The infrared receiving terminal power consumption in the standby state of other models in the market is also generally a milliampere rank.In addition, the IR modulated signals demodulation device power consumption in the standby state in electronic equipment is often larger.
Inventor is realizing finding in the utility model process: some electronic equipments often need its inner battery arranged to power to equipment self, as a lot of electrical metering device (also can be called electronic measurement instrument or electronic meter etc.) all adopt in establish powered battery mode.Some electronic equipments can't arrange physical switch and physical button (as arranged the physical button etc. of running parameter) at device outer surface for some reason, such as, physical switch is not set at device outer surface to make electronic equipment have good water resistance; Such electronic equipment cannot thoroughly cut out.Establish for battery powered electronic equipment in employing, especially for cannot by for the electronic equipment of thoroughly closing, electronic equipment power consumption in the standby state should be little as much as possible, otherwise can have a strong impact on the cruising time of battery; As electrical metering device usually can be longer in the memory cycle in the period of slack sales, existing infrared receiving terminal and IR modulated signals demodulation device power consumption in the standby state make battery electric quantity just be consumed totally at electrical metering device memory period possibly.
Because the existing equipment problem that power consumption is higher in the standby state, the present inventor is based on being engaged in the practical experience and professional knowledge that this type of equipment de-sign manufacture enriches for many years, and coordinate scientific principle to use, actively in addition research and innovation, to founding a kind of novel infrared trigger switch and the electronic equipment based on infrared remote control, the electronic equipment problem that power consumption is higher in the standby state can be solved.Through constantly research and design, and through repeatedly studying sample and after improving, finally creating the utility model had practical value.
Utility model content
One of the purpose of this utility model is, in order to reduce electronic equipment power consumption in the standby state as much as possible, and a kind of novel infrared trigger switch and the electronic equipment based on infrared remote control are provided, technical matters to be solved is, significantly reduce electronic equipment power consumption in the standby state, and then the battery in electronic equipment can be made to have preferably flying power.
The technical matters of the purpose of this utility model and solution can adopt following technical scheme to realize.
According to the infrared trigger switch of one that the utility model proposes, be arranged in electronic equipment, and be connected respectively with device power supply (DPS) and circuitry power input, described infrared trigger switch comprises: infrared photodiode, N-type metal-oxide semiconductor (MOS) NMOS, P-type mos PMOS, triode and single-chip microcomputer; The grid of NMOS is connected with the output terminal of infrared photodiode, and the drain electrode of NMOS is connected respectively with the collector of the grid of PMOS and triode, and the source electrode of NMOS is connected with the emitter of triode; The grid of PMOS is connected respectively with the collector of the drain electrode of NMOS and triode, and the source electrode of PMOS is connected with device power supply (DPS) positive pole, and the drain electrode of PMOS is connected respectively with microcontroller power supply input pin and described circuitry power input; The base stage of triode is connected with the control signal output pin of single-chip microcomputer; The negative pole of infrared photodiode is connected with device power supply (DPS) positive pole, the infrared signal of outside input makes infrared photodiode conducting, the electric current of infrared photodiode conducting makes NMOS conducting, and NMOS is by PMOS conducting, the drain electrode of PMOS triggers single-chip microcomputer and is drawn high by the output level of its control signal output pin, makes triode PMOS is in the state of connectivity device positive source and circuitry power input.
The purpose of this utility model and solve its technical matters and can also be further achieved by the following technical measures.
Preferably, aforesaid infrared trigger switch, also comprises: for single-chip microcomputer provides the voltage conversion unit of the supply voltage needed for it, be arranged between the drain electrode of PMOS and microcontroller power supply input pin.
Preferably, aforesaid infrared trigger switch, wherein said circuitry power input is connected with the drain electrode of PMOS by described voltage conversion unit.
Preferably, aforesaid infrared trigger switch, the infrared signal of the infrared signal of wherein said outside input to be wavelength be 940NM.One
Preferably, aforesaid infrared trigger switch, the output terminal of wherein said infrared photodiode is also connected with the serial port pin of single-chip microcomputer.
According to a kind of electronic equipment based on infrared remote control that the utility model proposes, comprising: above-mentioned infrared trigger switch.
Preferably, the aforesaid electronic equipment based on infrared remote control, wherein said electronic equipment is electrical metering device.
Preferably, the aforesaid electronic equipment based on infrared remote control, wherein, one or more electronic configurations has an Infrared remote controller, and is provided with the infrarede emitting diode of infrared signal that output wavelength is 940NM and transistor-transistor logic Transistor-Transistor Logic level signal in described Infrared remote controller.
Preferably, the aforesaid electronic equipment based on infrared remote control, wherein when described electronic equipment is electrical metering device, described Infrared remote controller is palm machine of checking meter.
By technique scheme, infrared trigger switch of the present utility model and at least there is following advantages and beneficial effect based on the electronic equipment of infrared remote control: infrared trigger switch of the present utility model is when being in holding state and infrared photodiode does not receive the infrared signal of outside input, only have infrared photodiode to consume electric energy, and NMOS, PMOS, triode and single-chip microcomputer can't consume electric energy owing to being all in closed condition; Only when infrared photodiode receives the infrared signal of outside input, the conducting of infrared photodiode just can make NMOS and PMOS conducting, single-chip microcomputer is started, and makes PMOS connect device power supply (DPS) positive pole and circuitry power input by triode; Therefore, infrared trigger switch of the present utility model power consumption in the standby state only has 1UA usually, namely the energy resource consumption of infrared trigger switch of the present utility model is very little, as for the battery of 1000MA/H, infrared trigger switch of the present utility model can make the stand-by time of electronic equipment reach 100 years; Thus the technical scheme that the utility model provides is while the touchless achieving electronic equipment controls, and significantly can reduce electronic equipment power consumption in the standby state, and then the battery in electronic equipment can be made to have preferably flying power.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to technological means of the present utility model can be better understood, and can be implemented according to the content of instructions, and can become apparent to allow above and other object of the present utility model, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing infrared receiving terminal;
Fig. 2 is the structural representation of the power circuit part of infrared trigger switch of the present utility model;
Fig. 3 is the structural representation of the infrared photodiode circuit part of infrared trigger switch of the present utility model.
Embodiment
For further setting forth the utility model for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to according to the infrared trigger switch that the utility model proposes and based on the embodiment of the electronic equipment of infrared remote control, structure, feature and effect thereof, be described in detail as follows.
Embodiment one, infrared trigger switch.
The infrared trigger switch of the present embodiment is arranged in electronic equipment, and this electronic equipment mainly comprises device power supply (DPS) and circuitry two parts; Certainly, this electronic equipment also should comprise the part such as housing and display module.
Device power supply (DPS) in electronic equipment is mainly used in as circuitry provides electric energy, and device power supply (DPS) is generally battery, as alkaline battery, lithium battery or carbon battery etc.
Circuitry in electronic equipment is generally used for the actual functional capability realizing electronic equipment, as flow metering and display data etc.Circuitry can comprise main circuit board etc., and this circuitry has power input (can be called circuitry power input), and the electric energy that circuitry power input is used for device power supply (DPS) to provide is introduced in circuitry.
The infrared trigger switch of the present embodiment is connected respectively with the said equipment power supply and circuitry power input, to realize controlling the break-make between device power supply (DPS) and circuitry power input.
The infrared trigger switch of the present embodiment mainly comprises: infrared photodiode, NMOS (NMental Oxide Semiconductor, N-type metal-oxide semiconductor (MOS)), PMOS (P Mental Oxide Semiconductor, P-type mos), triode and single-chip microcomputer.When the supply voltage specification needed for single-chip microcomputer is different from the supply voltage specification in electronic equipment, the infrared trigger switch of the present embodiment can also comprise: voltage conversion unit.Certainly, the infrared trigger switch in the present embodiment also comprises some auxiliary elements, as resistance and electric capacity etc.
The components and parts that the infrared trigger switch of the present embodiment comprises can be divided into two parts, i.e. the power circuit part of infrared trigger switch and the infrared photodiode circuit part of infrared trigger switch.Above-mentioned NMOS, PMOS, triode, single-chip microcomputer and voltage conversion unit belong to the power circuit part of infrared trigger switch; Above-mentioned infrared photodiode belongs to the infrared photodiode circuit part of infrared trigger switch.
As shown in Figure 2, and one of the structure of the infrared photodiode circuit part of infrared trigger switch concrete example as shown in Figure 3 for the concrete example of of the structure of the power circuit part of the infrared trigger switch of the present embodiment.
Q9 in Fig. 2 is NMOS, Q4 be PMOS, U30 is triode, and BT1 is device power supply (DPS), and U2 is voltage conversion unit.Not shown single-chip microcomputer in Fig. 2.D42 in Fig. 3 is infrared photodiode.
The grid of the NMOS in Fig. 2 is connected with the output terminal (IRF_indicater namely shown in Fig. 2 and Fig. 3) of infrared photodiode, the drain electrode of NMOS is connected respectively with the collector of the grid of PMOS and triode, and the source electrode of NMOS is connected with the emitter of triode.
The grid of PMOS is connected respectively with the collector of the drain electrode of NMOS and triode, the source electrode of PMOS is connected with device power supply (DPS) positive pole, the drain electrode of PMOS connects respectively with microcontroller power supply input end (" 3.3V " place namely in Fig. 2) and circuitry power input (port 3 of the V1 namely in Fig. 2 is also " 3.3V " place in Fig. 2).
The base stage of triode is connected with the control signal output terminal (" POWERC1 " place namely in Fig. 2) of single-chip microcomputer.
The negative pole of infrared photodiode is connected with device power supply (DPS) positive pole (" 3.6VOUT " namely in Fig. 2 and Fig. 3).
Voltage conversion unit is arranged between the drain electrode of PMOS and microcontroller power supply input pin, and voltage conversion unit is mainly used in as single-chip microcomputer provides the supply voltage meeting specification needed for it.
The infrared signal (as the infrared signal that remote controller comes) of outside input makes infrared photodiode conducting, the electric current of infrared photodiode conducting makes NMOS conducting, afterwards, NMOS is by PMOS conducting, the drain electrode of PMOS triggers single-chip microcomputer and is drawn high by the output level of its control signal output pin, thus makes triode PMOS is in the state of connectivity device positive source and circuitry power input.
Specifically, under infrared trigger switch is in holding state, if infrared photodiode does not receive the infrared signal of outside input, then infrared photodiode is in high-impedance state, resistance R21 do not have electric current, thus triode U30 and NMOS Q9 is all in closed condition, the effect that PMOS Q4 is subject to resistance R22 pull-up high level is also in closed condition, and battery BT1 powers to single-chip microcomputer and circuitry.If infrared photodiode D42 receives the infrared signal of outside input, then infrared photodiode D42 is switched on, electric conduction fails to be convened for lack of a quorum and flows through resistance R21, thus make resistance R21 two ends there is voltage, and by IRF-indicater by NMOS Q9 conducting, NMOS Q9 is by PMOS Q4 conducting, now, single-chip microcomputer is activated, the output level of its POWERC1 pipe leg is drawn high by single-chip microcomputer, powers namely to triode U30, like this, power supply BT1 is single-chip microcomputer and circuitry continued power by NMOS Q9, and electronic equipment is converted to duty by holding state.
Under electronic equipment is in running order, because the serial port pin of single-chip microcomputer is connected with the output terminal (IRF_indicater as in Fig. 2 and Fig. 3) of infrared photodiode, therefore, single-chip microcomputer can be received outside and be transmitted TTL (the Transistor-Transistor Logic come by infrared photodiode, transistor-transistor logic) level signal, single-chip microcomputer can be resolved Transistor-Transistor Logic level signal, and corresponding component analysis result is supplied in electronic equipment, as being supplied to the components and parts of the processing control signals in circuitry, to realize the corresponding control to electronic equipment.
The infrared signal (namely from the infrared signal of Infrared remote controller) of the present embodiment peripheral input can be the infrared signal of 940NM wavelength, certainly, also can be the infrared signal of other wavelength.
Embodiment two, electronic equipment.
Be provided with the infrared trigger switch of above-described embodiment one in this electronic equipment, the present embodiment can all arrange an Infrared remote controller for each electronic equipment, also can arrange an Infrared remote controller for multiple electronic equipment.In use, the distance between Infrared remote controller and infrared trigger switch should not exceed the effective propagation path of infrared signal, as the distance between Infrared remote controller and infrared trigger switch is no more than 30CM.
Infrarede emitting diode is provided with in Infrared remote controller, Infrared remote controller not only can utilize this infrarede emitting diode to send infrared signal to infrared trigger switch, this infrarede emitting diode can also be utilized to send Transistor-Transistor Logic level signal to infrared trigger switch, and the single-chip microcomputer in infrared trigger switch can be resolved this Transistor-Transistor Logic level signal, and corresponding component analysis result is supplied in electronic equipment, such as, be supplied to circuitry, like this, Infrared remote controller not only can control electronic equipment and be converted to duty by holding state, can also realize carrying out otherwise control to electronic equipment, as the continuous data that reads electronic equipment or the controling parameters etc. arranged in electronic equipment.That is, the infrared trigger switch of the present embodiment not only can as the contactless gauge tap of electronic equipment, can also as the receiving circuit of Transistor-Transistor Logic level signal.The present embodiment does not limit the concrete control content of Infrared remote controller to electronic equipment.
Infrared remote controller in the present embodiment can be arranged to corresponding form according to practical application, as being electrical metering device (as flow metering devices or heat metering equipment etc.) at electronic equipment, Infrared remote controller can be arranged to check meter the form of palm machine, and utilizes a palm machine of checking meter successively can get continuous data in multiple electrical metering device based on wireless mode.
The above is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art are not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (9)
1. an infrared trigger switch, be arranged in electronic equipment, and be connected respectively with device power supply (DPS) and circuitry power input, it is characterized in that, described infrared trigger switch comprises: infrared photodiode, N-type metal-oxide semiconductor (MOS) NMOS, P-type mos PMOS, triode and single-chip microcomputer;
The grid of NMOS is connected with the output terminal of infrared photodiode, and the drain electrode of NMOS is connected respectively with the collector of the grid of PMOS and triode, and the source electrode of NMOS is connected with the emitter of triode;
The grid of PMOS is connected respectively with the collector of the drain electrode of NMOS and triode, and the source electrode of PMOS is connected with device power supply (DPS) positive pole, and the drain electrode of PMOS is connected respectively with microcontroller power supply input pin and described circuitry power input;
The base stage of triode is connected with the control signal output pin of single-chip microcomputer;
The negative pole of infrared photodiode is connected with device power supply (DPS) positive pole, the infrared signal of outside input makes infrared photodiode conducting, the electric current of infrared photodiode conducting makes NMOS conducting, and NMOS is by PMOS conducting, the drain electrode of PMOS triggers single-chip microcomputer and is drawn high by the output level of its control signal output pin, makes triode PMOS is in the state of connectivity device positive source and circuitry power input.
2. infrared trigger switch as claimed in claim 1, is characterized in that, described infrared trigger switch also comprises:
For single-chip microcomputer provides the voltage conversion unit of the supply voltage needed for it, be arranged between the drain electrode of PMOS and microcontroller power supply input pin.
3. infrared trigger switch as claimed in claim 2, is characterized in that, described circuitry power input is connected with the drain electrode of PMOS by described voltage conversion unit.
4. infrared trigger switch as claimed in claim 1, is characterized in that, the infrared signal of the infrared signal of described outside input to be wavelength be 940NM.
5. the infrared trigger switch as described in claim arbitrary in Claims 1-4, is characterized in that, the output terminal of described infrared photodiode is also connected with the serial port pin of single-chip microcomputer.
6. based on an electronic equipment for infrared remote control, described electronic equipment comprises: the infrared trigger switch in the claims 1-5 described in arbitrary claim.
7. electronic equipment as claimed in claim 6, it is characterized in that, described electronic equipment is electrical metering device.
8. electronic equipment as claimed in claims 6 or 7, it is characterized in that, one or more electronic configurations has an Infrared remote controller, and is provided with the infrarede emitting diode of infrared signal that output wavelength is 940NM and transistor-transistor logic Transistor-Transistor Logic level signal in described Infrared remote controller.
9. electronic equipment as claimed in claim 8, it is characterized in that, when described electronic equipment is electrical metering device, described Infrared remote controller is palm machine of checking meter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420846049.4U CN204347525U (en) | 2014-12-29 | 2014-12-29 | Infrared trigger switch and the electronic equipment based on infrared remote control |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420846049.4U CN204347525U (en) | 2014-12-29 | 2014-12-29 | Infrared trigger switch and the electronic equipment based on infrared remote control |
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| CN204347525U true CN204347525U (en) | 2015-05-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104570865A (en) * | 2014-12-29 | 2015-04-29 | 合肥瑞纳节能工程有限公司 | Infrared trigger switch and electronic equipment based on infrared remote control |
| CN107272478A (en) * | 2016-03-31 | 2017-10-20 | 瑞萨电子株式会社 | Semiconductor device |
-
2014
- 2014-12-29 CN CN201420846049.4U patent/CN204347525U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104570865A (en) * | 2014-12-29 | 2015-04-29 | 合肥瑞纳节能工程有限公司 | Infrared trigger switch and electronic equipment based on infrared remote control |
| CN107272478A (en) * | 2016-03-31 | 2017-10-20 | 瑞萨电子株式会社 | Semiconductor device |
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